OEM Chevrolet Silverado 3500 Classic Brake Caliper Bracket

Chevrolet Silverado 3500 Classic Brake Caliper Bracket Parts and Q&A

• Caliper Bracket, Passenger Side
  25997055
  Q: How to replace the front brake caliper bracket on the 25/3500 Series on Chevrolet Silverado 3500 Classic?

  A:

  You must check the fluid level inside the 25/3500 series brake master cylinder reservoir as the first step for caliper bracket replacement; empty fluid if it exceeds half the permissible limit but retain fluid at midpoint if it remains lower than half the reservoir capacity. The fluid needs replacement only when the reservoir reaches midway points between its maximum and minimum fluid marks yet exceeds that mark. First remove the wheel assembly before using two large c-clamps to compress caliper pistons through the brake caliper housing until they fully retract. After taking out the c-clamps move on to disconnect the brake caliper bolts supported by heavy mechanic's wire as you maintain the hydraulic brake flexible hose connection. First unfasten the Brake Caliper Bracket bolts alongside the Brake Pads and anti-rattle clips before removing the Brake Caliper Bracket . Wipe off all contaminants that are present on the Brake Caliper Bracket inside ends and on both mounting surfaces and threaded areas. Before tightening the Brake Caliper Bracket bolts , remove original adhesive from the bracket and clean bolt threads with denatured alcohol and apply threadlocker gm p/n 12345493 (Canadian P/N 10953488) to threads. Secure the bolts at 300 nm torque (221 ft. Lbs. Measurement).first install brake pads followed by anti-rattle clips before inserting them until they reach the rotor. Tighten all brake caliper bolts to 108 nm (80 ft. Lbs.) torque.reinstall the tire and wheel assembly once you finish your work. You must slowly press the brake pedal from engine off position to reach about two-thirds of its range then stop and do this again until the caliper pistons and pads fully seat properly. At the end you need to add clean brake fluid to reach the correct reservoir level if needed.
• Caliper Bracket, Driver Side
  25997053
  Q: How to replace the rear brake caliper bracket on the 2500/3500 Series on Chevrolet Silverado 3500 Classic?

  A:

  Before replacing the rear Brake Caliper Bracket for 2500/3500 series vehicles inspect the brake master cylinder reservoir fluid level. Check the fluid level when it falls between the maximum-full and minimum points of the reservoir; proceed without fluid adjustments unless it exceeds the midway point. Apply a large c-clamp over the top of the caliper housing to push brake caliper pistons into their bores until they reach their full extension before removing the clamp. Start by loosening the rear brake caliper mounting bolts but do not remove them while you remove the Brake Caliper Bracket bolts to finally detach the caliper bracket and brake caliper assembly. After securing the caliper with mechanic's wire support without breaking hydraulic connections remove the caliper bracket pad and anti-rattle kit pieces. The anti-rattle clip installation process starts with caliper bracket attachment followed by Brake Pad installation then caliper attachment to the bracket before securing brake caliper bolts yet leaving them loose. Before installing the Brake Caliper Bracket bolts apply threadlocker gm p/n 12345493 (Canadian P/N 10953488) to bolt threads which have been cleaned with denatured alcohol. Then tighten the bolts to 200 nm (148 ft. Lbs.) for jh6 or 300 nm (221 ft. Lbs.) for jh7. For jh6 or 300 nm (221 ft. Lbs.) for jh7. In the last step tighten brake caliper bolts to 108 nm (80 ft. Lbs.).reinstall the tire and wheel assembly after which you should gently press the brake pedal by around 2/3rd of its stretch before releasing it to obtain a firm pedal feel through multiple cycles. Add clean brake fluid to reach the correct fluid level in the master cylinder reservoir.